Sunex 1/2in & 3/8in Drive Impact Hex Driver Sets - 36 Pc Heavy Duty

In this review the Sunex 1/2' & 3/8' Drive Impact Hex Driver Sets are examined for mechanics and serious DIY users who need a dependable hex driver collection. The bottom line is simple: this combined 36-piece set is for anyone wanting durable, impact-rated hex drivers in both common SAE and metric sizes, packed in sturdy blow-molded cases. The reviewer found the set most compelling for its Cr-Mo construction and clear dual size markings, which make it an efficient everyday choice for automotive and shop work.

Key Features

• Dual Drive Coverage: Includes a 20-piece 1/2' drive set and a 16-piece 3/8' drive set so users get broad coverage of common SAE and metric hex sizes in one purchase.
• Cr-Mo Steel Construction: The Cr-Mo alloy material gives the drivers high strength and durability suitable for impact use and frequent shop work.
• One-Piece Design: Solid one-piece construction eliminates weak joints and reduces the risk of breakage under heavy torque.
• Dual Size Markings: SAE and metric sizes are etched on every hex driver to make identification quick and reduce time spent searching for the correct size.
• Heavy-Duty Cases: Each set comes in a blow-molded case that keeps the tools organized and protected during storage and transport.
• Low Profile 3/8' Set: The low profile design on the 3/8' drive sockets helps reach fasteners in tighter spaces common on engines and assemblies.

Who It's For

The combined 36-piece package targets professional mechanics, fleet technicians, and committed home mechanics who need both 1/2' and 3/8' drive hex drivers available for impact tools. The inclusion of both SAE and metric sockets makes it a practical go-to set for automotive repair where mixed fastener types are common.

Users who primarily need a single drive size or who require specialty or extra-deep hex bits may prefer a more focused or specialized kit. This set is built for strength and general shop use rather than ultra-compact or single-purpose applications.

Pros & Cons

Pros

• Durable Cr-Mo construction that stands up to impact wrench use and heavy shop work.
• Comprehensive SAE and metric coverage across both 1/2' and 3/8' drives reduces the need to buy multiple sets.
• Clear dual size etching and organized cases make selection and transport straightforward.

Cons

• Case and general format are utilitarian; users wanting compact roll-up sets or slimmer storage may find it bulky.
• While built tough, the set does not replace specialized or deep-reach hex drivers for unusual access needs.

Specifications

Included Sets	1/2' drive 20-piece and 3/8' drive 16-piece
Size Range	SAE 1/4' - 3/4' and Metric 6mm - 19mm
Material	Cr-Mo alloy steel
Construction	Solid one-piece drivers
Markings	Dual SAE and metric etching on each hex driver
Storage	Heavy-duty blow-molded storage cases
Drive Types	1/2' drive and low profile 3/8' drive

Our Verdict

The Sunex 36-piece impact hex driver combination is a practical, value-oriented choice for professionals and serious DIYers who need reliable SAE and metric coverage in both 1/2' and 3/8' drives. Its Cr-Mo one-piece construction and etched markings make it durable and easy to use, and the heavy-duty cases keep tools organized for the shop or jobsite. For general automotive and maintenance work this is a solid investment in durable impact-rated drivers.

Frequently Asked Questions

Are these hex drivers safe for impact wrench use?
Yes. The set is made from Cr-Mo alloy steel and is described for impact use, so they hold up to impact wrench torque in normal shop conditions.

Do the sets include both SAE and metric sizes?
Yes. Both the 1/2' 20-piece and 3/8' 16-piece sets include SAE sizes from 1/4' to 3/4' and metric sizes from 6mm to 19mm.

How are the tools organized for storage?
Each set comes in a heavy-duty blow-molded storage case that secures the sockets and keeps them organized for transport and storage.